Pith Number

pith:SQDBSYOL

pith:2017:SQDBSYOL42TQB5GTCNEFTIFWZQ

not attested not anchored not stored refs pending

Gr\"unbaum's inequality for sections

Matthew Stephen, Ning Zhang, Sergii Myroshnychenko

arxiv:1711.00998 v1 · 2017-11-03 · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQDBSYOL42TQB5GTCNEFTIFWZQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:31:24.321753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94061961cbe6a700f4d3134859a0b6cc04764b5ee214c20e260a9225bf621748

Aliases

arxiv: 1711.00998 · arxiv_version: 1711.00998v1 · doi: 10.48550/arxiv.1711.00998 · pith_short_12: SQDBSYOL42TQ · pith_short_16: SQDBSYOL42TQB5GT · pith_short_8: SQDBSYOL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SQDBSYOL42TQB5GTCNEFTIFWZQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 94061961cbe6a700f4d3134859a0b6cc04764b5ee214c20e260a9225bf621748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0087b320e4926a7bf5ab27ebda864b1bcab40d8643af51f1cfccfbf294c3121d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-11-03T02:18:32Z",
    "title_canon_sha256": "1025273e9b43889520c652552b5d5ed6d02e50234209bb0d6fc2edc7105ad81a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00998",
    "kind": "arxiv",
    "version": 1
  }
}